[Plplot-cvs] SF.net SVN: plplot: [7804] trunk/drivers/cairo.c

[<hba...@us...>]

Revision: 7804
          http://plplot.svn.sourceforge.net/plplot/?rev=7804&view=rev
Author:   hbabcock
Date:     2007-08-15 19:05:11 -0700 (Wed, 15 Aug 2007)

Log Message:
-----------
Added support for portrait mode to the pscairo driver. Plot orientations and aspect ratios follow that of the ps driver.

Modified Paths:
--------------
    trunk/drivers/cairo.c

Modified: trunk/drivers/cairo.c
===================================================================
--- trunk/drivers/cairo.c	2007-08-15 23:02:28 UTC (rev 7803)
+++ trunk/drivers/cairo.c	2007-08-16 02:05:11 UTC (rev 7804)
@@ -1023,11 +1023,13 @@
   // Save the pointer to the structure in the PLplot stream
   pls->dev = aStream;
 
-  // Rotate the surface to landscape.
-  rotate_cairo_surface(pls, 0.0, -1.0, -1.0, 0.0, pls->ylength, pls->xlength);
+  // Handle portrait or landscape
+  if(pls->portrait){
+    rotate_cairo_surface(pls, (float)(pls->ylength)/(float)(pls->xlength), 0.0, 0.0, -(float)(pls->xlength)/(float)(pls->ylength), 0.0, pls->xlength);
+  } else {
+    rotate_cairo_surface(pls, 0.0, -1.0, -1.0, 0.0, pls->ylength, pls->xlength);
+  }
 
-  // Invert the surface so that the graphs are drawn right side up.
-  // rotate_cairo_surface(pls, 1.0, 0.0, 0.0, -1.0, 0, pls->ylength);
 }
 
 


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